Home / 82,001.67-123,002.52-63,309.03

Finding the Fourth Proportional to 82,001.67, 123,002.52 and 63,309.03

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Solution

The fourth proportional to 82,001.67, 123,002.52 and 63,309.03 is: 94,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,001.67 : 123,002.52 = 63,309.03 : x
  2. Step 2: Convert to fraction form
    82,001.67/123,002.52 = 63,309.03/x
  3. Step 3: Cross multiply
    82,001.67x = 123,002.52 × 63,309.03
  4. Step 4: Simplify right side
    82,001.67x = 7,787,170,228.76
  5. Step 5: Solve for x
    x = 7,787,170,228.76/82,001.67
  6. Step 6: Final answer
    x = 94,963.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.